1 files changed, 1 insertions, 1 deletions
diff --git a/tail.c b/tail.c
index 90cc2a6ef..5e5fbc14f 100644
--- a/tail.c
+++ b/tail.c
@@ -51,7 +51,7 @@ static void tailbuf_append(char *buf, int len)
 	taillen += len;
 }
 
-static void tailbuf_trunc()
+static void tailbuf_trunc(void)
 {
 	char *s;
 	s = memchr(tailbuf, '\n', taillen);